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參數(shù)資料
| 型號： | SAA7187 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Digital video encoder (DENC2-SQ)(數(shù)字視頻編碼器) |
| 中文描述： | 數(shù)字視頻編碼器（DENC2 -倚）（數(shù)字視頻編碼器） |
| 文件頁數(shù)： | 17/18頁 |
| 文件大?。?/td> | 197K |
| 代理商： | SAA7187 |
Philips Semiconductors
Clock and synchronization signals of SAA7187 and SAA7188
Application note for digital video encoder
May 1994
17
7.3
Input Data Format and Signal Flow (3A, 6B)
7.3.1
Subaddress 3A hex, SAA7188A only
Table 14. Program for input data de-formating in subaddress 3A-hex
BITS IN
SUBADDRESS 3A-hex
BIT NAME
FUNCTION DESCRIPTION
DEFAULT
RESET
7 6
5
4
3 2
1
0
AFTER
MUV2C
(M-port chroma two’s complement)
0
Cb-Cr data at M-port is expected in two’s complement
1
Cb-Cr data at M-port is expected in offset binary (acc. to CCIR 656)
1
MY2C
(M-port luminance two’s complement)
0
Y data at M-port is expected in two’s complement around medium gray
1
Y data at M-port is expected in straight binary (acc. to CCIR 656)
1
VUV2C
(V/D-port chroma two’s complement)
0
Cb-Cr data at V/D-port is expected in two’s complement
(compare DTV-mode of SAA7151B)
0
1
Cb-Cr data at V/D-port is expected in offset binary (CCIR-mode)
VY2C
(V-port luminance two’s complement)
0
Y data at V-port is expected in two’s complement around medium gray
0
1
Y data at V-port is expected in straight binary (CCIR- and DTV-mode)
V656
data format at V-port and D-port
0
16 bit YUV interface formed by V-port = Y & D-port = UV
1
8-bit wide CCIR656 compatible data format at V-port
1
0
0
reserved
00
CBENB
internal color bar test signal switch
0
normal encoding of input data
0
1
color bar test signal via encoding of LUT values
0 0
0
1
0 0
1
1
13 hex
default after reset
0001 0011
7.3.2
Subaddress 6B hex, SAA7188A only
Table 15. Program for input data selection in subaddress 6B-hex
BITS IN
SUBADDRESS 6B-hex
SEL_ED
Pin 18
BIT NAME
FUNCTION DESCRIPTION
7 6
5
4
3 2
1
0
MODIN defines data from which port gets encoded
0 0
–
data from M-port gets encoded
0 1
1
data from M-port gets encoded
0 1
0
data from V(/D)-port gets encoded
1 0
–
data from V(/D)-port gets encoded
1 1
1
data from V(/D)-port gets encoded
1 1
0
data from M-port gets encoded
0
x
x
x
x
x
other function: line number for closed caption encoding
相關PDF資料 |
PDF描述 |
|---|---|
| SAA7188A | Digital Video Encoder (DENC2-M)(數(shù)字視頻編碼器(DENC2-M)) |
| SAA7201 | Integrated MPEG2 AVG Decoder(綜合MPEG音頻視頻圖表譯碼器) |
| SAA7201H | Integrated MPEG2 AVG decoder |
| SAA7212 | Integrated MPEG2 AVG Decoder(綜合MPEG音頻視頻圖表譯碼器) |
| SAA7212H | Integrated MPEG AVG decoder |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SAA7187WP | 制造商:NXP Semiconductors 功能描述: |
| SAA7188 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoder DENC2-M |
| SAA7188A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoder DENC2-M |
| SAA7188AWP | 制造商:NXP Semiconductors 功能描述:COLOR SIGNAL ENCODER, PQCC68 |
| SAA7191B | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Multistandard Colour Decoder, Square Pixel DMSD-SQP |
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